How can tartar and plaque be removed from teeth without grinding? is there any paste, etc. for it?
The girders of a suspension bridge form an arc. The definition of an arc is a curve or bowed shape, like a part of a circle. An example of an arc is a rainbow. To arc is defined as to make a curved shape or move in a curved path.
Arc â part of the circumference (edge) of the circle. The measure of an arc is equal to the measure of. the central angle formed by its endponts. Arcs are named by their endpoints. The dashed arc to the. right would be called arc AB. or arc BA, the order of. the endpoints does not matter.